Four Digit Numbers

What are Four Digit Numbers?

We may divide 4-digit numbers in 9 groups.

(i) 1000 to 1999 (one thousand to one thousand nine hundred ninety nine)

(ii) 2000 to 2999 (two thousand to two thousand nine hundred ninety nine)

(iii) 3000 to 3999 (three thousand to three thousand nine hundred ninety nine)

(iv) 4000 to 4999 (four thousand to four thousand nine hundred ninety nine)

(v) 5000 to 5999 (five thousand to five thousand nine hundred ninety nine)

(vi) 6000 to 6999 (six thousand to six thousand nine hundred ninety nine)

(vii) 7000 to 7999 (seven thousand to seven thousand nine hundred ninety nine)

(viii) 8000 to 8999 (eight thousand to eight thousand nine hundred ninety nine)

(ix) 9000 to 9999 (nine thousand to nine thousand nine hundred ninety nine)

Note: Four digit numbers begin with 1000.


If all the numbers of one digit, then two digits and then three digits are placed step by step to the right of 1 Thousand according to their place values, the numbers from 1001 to 1999 are formed.

1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1034, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 10144, 1045, 1046, 1047, 1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055, 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063, 1064, 1065, 1066, 1067, 1068, 1069, 1070, 1071, 1072, 1073, 1074, 1075, 1076, 1077, 1078, 1079, 1080, 1081, 1082, 1083, 1084, 1085, 1086, 1087, 1088, 1089, 1090, 1091, 1092, 1093, 1094, 1095, 1096, 1097, 1098, 1099, 1110, 1111, …………………., 1199, 1200, …………………., 1299, 1300, 1301, …………………………., 1399, 1400, …………………, 1499, 1500, 1501, …………………., 1899, 1900, 1901, ………………….., 1921, …………………., 1971, …………………., 1981, ………………………, 1991, …………………., 1999. Similarly, 2000, …………….., 2199, ………………….., 2299, ……………………, 2799, ……………………, 2899, ………………….., 2999 are formed. Thus, we reach upto 3999, ……………….., 4999, …………………, 5999, …………………, 6999, …………………, 7999, …………………, 8999, ………………….., 9999.



Shown below are some four digit numbers on the abacus:

Four Digit Numbers

2354

Two thousand three hundred fifty four

Four Digit Number

5241

Five thousand two hundred forty one


Mike has 999 lollipops. He has made 9 packets of 100 lollipops in each. He is now left with 99 lollipops. How many more lollipops does Mike need to make another packet of 100 lollipops?

99 + 1 = 100

4-Digit Numbers

By having 1 more lollipop, Mike can make another packet of 100 lollipops.

Mike has now 10 packets of 100 lollipops in each.

4-Digit Numbers '1000'

10 hundreds = 1 thousand = 1000

Thus, Mike has 1000 lollipops in all. 1000 is a 4-digit number and is read as ‘one thousand’.

1 packet = 100 lollipops

2 packets = 100 + 100 = 200 lollipops

3 packets = 200 + 100 = 300 lollipops

4 packets = 300 + 100 = 400 lollipops

5 packets = 400 + 100 = 500 lollipops

6 packets = 500 + 100 = 600 lollipops

7 packets = 600 + 100 = 700 lollipops

8 packets = 700 + 100 = 800 lollipops

9 packets = 800 + 100 = 900 lollipops

1000

1000 is the smallest 4-digit number. 9999 is the largest 4-digit number.

Digit

One-digit

Two-digit

Three-digit

Four-digit

Largest Number

9

99

999

9999

Smallest Number

0

10

100

1000


9 + 1 = 10

99 + 1 = 100

999 + 1 = 1000

Let us now learn some 4-digit number names.

4-Digit Numbers 1325
1325

1325 is read as ‘One thousand three hundred twenty-five’

4-Digit Numbers 1538
1538

1538 is read as ‘One thousand five hundred thirty-eight’

4-Digit Numbers 1243
1243

1243 is read as ‘One thousand two hundred forty-three’

4-Digit Numbers 1456

1456 is read as ‘One thousand four hundred fifty-six’

4-Digit Numbers 1513
1513

1513 is read as ‘One thousand five hundred thirteen’

4-Digit Numbers 1204
1204

1204 is read as ‘One thousand two hundred four’

4-Digit Numbers 1331
1331

1331 is read as ‘One thousand three hundred thirty-one’

4-Digit Numbers 1355
1355

1355 is read as ‘One thousand three hundred fifty-five’

4-Digit Numbers 2043
2043

2043 is read as ‘Two thousand forty-three’

Note: 1. The largest 4-digit number is 9999.

          2. The smallest 4-digit number is 1000.

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